Is CVE-2007-3645 in the CISA KEV catalog?

No. CVE-2007-3645 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-3645?

CVE-2007-3645 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2007-3645?

CVE-2007-3645 has an EPSS score of 3.44% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-3645?

Upgrade libarchive on debian 11 to 2.2.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-3645

MEDIUMEPSS 88th pctl

4.3

CVSS v2

NVD

Description

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (crash) via (1) an end-of-file condition within a tar header that follows a pax extension header or (2) a malformed pax extension header in an (a) PAX or a (b) TAR archive, which results in a NULL pointer dereference, a different issue than CVE-2007-3644.

How to fix

Remediation Available

libarchiveDebian

Fixed in:2.2.4-1CVE-2007-3645

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.44%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch5

Other references12

Embed a live status badge for CVE-2007-3645

Markdown

[![CVE-2007-3645](https://tridentstack.com/cve/badge/CVE-2007-3645.svg)](https://tridentstack.com/cve/CVE-2007-3645)

HTML

<a href="https://tridentstack.com/cve/CVE-2007-3645"><img src="https://tridentstack.com/cve/badge/CVE-2007-3645.svg" alt="CVE-2007-3645"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.